我是infinispan的新手,但功能满足了我的需求。
我正在使用带有缓存的Java嵌入式HotRot端点的C ++ HotRod客户端,当我放置K / V时,java缓存监听器会抛出关于B [和String。
之间的转换错误的异常。我发现我可能必须启用兼容模式,所以我做了,但它似乎没有做任何事情。
这是我的代码:
主要的java软件:
public static void main(final String[] args)
{
final EmbeddedCacheManager manager = new DefaultCacheManager();
final PersistenceConfigurationBuilder persistConfig = new ConfigurationBuilder().persistence();
final SingleFileStoreConfigurationBuilder fileStore = new SingleFileStoreConfigurationBuilder(persistConfig).location("cache");
final Configuration config = persistConfig.addStore(fileStore).build();
config.compatibility().enabled();
manager.defineConfiguration("records", config);
final Cache<String, String> c = manager.getCache("records");
c.addListener(new CacheListener());
new HotRodServer().start(new HotRodServerConfigurationBuilder().build(), manager);
while(true)
{
try
{
Thread.sleep(1000);
System.out.println(c.size());
}
catch(final InterruptedException e)
{
}
}
}
我的缓存监听器:
@CacheEntryCreated
public void observeAdd(final CacheEntryCreatedEvent<Object, String> event)
{
if(event.isPre())
return;
System.err.println(event.getKey().getClass().getSimpleName());
System.err.println("new entry : " + event.getKey() + " -> " + event.getValue());
}
异常摘录:
Caused by: java.lang.ClassCastException: [B cannot be cast to java.lang.String
at recordprocessing.CacheListener.observeAdd(CacheListener.java:38) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_25]
at java.lang.reflect.Method.invoke(Method.java:483) ~[na:1.8.0_25]
at org.infinispan.notifications.impl.AbstractListenerImpl$ListenerInvocationImpl$1.run(AbstractListenerImpl.java:286) ~[infinispan-core-7.2.3.Final.jar:7.2.3.Final]
... 60 common frames omitted
我的c ++ hotrod客户端完全来自文档:
#include "infinispan/hotrod/ConfigurationBuilder.h"
#include "infinispan/hotrod/RemoteCacheManager.h"
#include "infinispan/hotrod/RemoteCache.h"
#include <stdlib.h>
using namespace infinispan::hotrod;
int main(int argc, char** argv)
{
ConfigurationBuilder b;
b.addServer().host("127.0.0.1").port(11222);
RemoteCacheManager cm(builder.build(), false);
RemoteCache<std::string, std::string> cache = cm.getCache<std::string, std::string>(std::string("records"));
cm.start();
std::string k1("key13");
std::string v1("boron");
rc.put(k1, v1);
cm.stop();
return 0;
}
我做错了什么?什么需要改变才能使这段代码有效?
感谢。
最好的问候。
答案 0 :(得分:2)
我的代码错了,实际上我没有设置兼容模式,config.compatibility()。enabled();只是返回当前模式。
以下是我必须更改代码以启用兼容模式的方法:
final EmbeddedCacheManager manager = new DefaultCacheManager();
final PersistenceConfigurationBuilder persistConfig = new ConfigurationBuilder().persistence();
final SingleFileStoreConfigurationBuilder fileStore = new SingleFileStoreConfigurationBuilder(persistConfig).location("cache");
final Configuration config = persistConfig.addStore(fileStore).compatibility().enable().build();
manager.defineConfiguration("records", config);
以下是关于JBoss论坛的问题:https://developer.jboss.org/thread/261123